GB1137876A - High voltage d.c. transmission systems with protection means - Google Patents

High voltage d.c. transmission systems with protection means

Info

Publication number
GB1137876A
GB1137876A GB17653/66A GB1765366A GB1137876A GB 1137876 A GB1137876 A GB 1137876A GB 17653/66 A GB17653/66 A GB 17653/66A GB 1765366 A GB1765366 A GB 1765366A GB 1137876 A GB1137876 A GB 1137876A
Authority
GB
United Kingdom
Prior art keywords
line
thyristor
transistor
blocking
oscillator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB17653/66A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ABB Norden Holding AB
Original Assignee
ASEA AB
Allmanna Svenska Elektriska AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ASEA AB, Allmanna Svenska Elektriska AB filed Critical ASEA AB
Publication of GB1137876A publication Critical patent/GB1137876A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/06—Details with automatic reconnection
    • H02H3/07—Details with automatic reconnection and with permanent disconnection after a predetermined number of reconnection cycles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/087—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for dc applications
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/24—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to undervoltage or no-voltage
    • H02H3/247—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to undervoltage or no-voltage having timing means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/268—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured for dc systems

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
GB17653/66A 1965-04-23 1966-04-22 High voltage d.c. transmission systems with protection means Expired GB1137876A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE5277/65A SE317430B (de) 1965-04-23 1965-04-23

Publications (1)

Publication Number Publication Date
GB1137876A true GB1137876A (en) 1968-12-27

Family

ID=20266122

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17653/66A Expired GB1137876A (en) 1965-04-23 1966-04-22 High voltage d.c. transmission systems with protection means

Country Status (6)

Country Link
US (1) US3417291A (de)
JP (1) JPS4316411B1 (de)
CH (1) CH462295A (de)
DE (1) DE1538282B2 (de)
GB (1) GB1137876A (de)
SE (1) SE317430B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2088132B1 (de) * 1970-05-21 1976-09-03 Mo
SE383590B (sv) * 1974-07-19 1976-03-15 Asea Ab Likriktarstation for hogspend likstromsoverforing

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB853912A (en) * 1957-06-29 1960-11-09 Asea Ab A high voltage direct current power transmission system
US3037158A (en) * 1959-10-28 1962-05-29 Borg Warner Protective recycling circuit for static inverter
US3310727A (en) * 1963-09-26 1967-03-21 Ovitron Corp D.c. to d.c. voltage converter with undervoltage-responsive, mode selector means
US3337744A (en) * 1964-06-01 1967-08-22 Hlf Corp Power supply with overload and under-voltage protection circuit

Also Published As

Publication number Publication date
SE317430B (de) 1969-11-17
DE1538282B2 (de) 1973-08-30
JPS4316411B1 (de) 1968-07-10
US3417291A (en) 1968-12-17
CH462295A (de) 1968-09-15
DE1538282A1 (de) 1970-01-08

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